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<html>
<head lang="en">
    <meta charset="UTF-8">
    <title></title>
    <style>
        table{
            border-collapse: collapse;
            width:300px;
            text-align: center;
        }
        table,td,th{border:1px solid #333}
        tr{height:50px;}
    </style>
</head>
<body>
<table>
    <tr>
        <th>商城</th><th>电子产品</th>
    </tr>
    <tr>
        <td>天猫商城</td><td>iphone</td>
    </tr>
    <tr>
        <td>京东商城</td><td>小米手机</td>
    </tr>
    <tr>
        <td>唯品会</td><td>魅族</td>
    </tr>
</table>
</body>
</html>